typedef PD3DXMATRIX (WINAPI *TD3DXMatrixOrthoOffCenterLH)(
  _Inout_  D3DXMATRIX *pOut,
  _In_     FLOAT l,
  _In_     FLOAT r,
  _In_     FLOAT b,
  _In_     FLOAT t,
  _In_     FLOAT zn,
  _In_     FLOAT zf
);

TD3DXMatrixOrthoOffCenterLH OldD3DXMatrixOrthoOffCenterLH;

DllExport PD3DXMATRIX cc D3DXMatrixOrthoOffCenterLH(
  _Inout_  D3DXMATRIX *pOut,
  _In_     FLOAT l,
  _In_     FLOAT r,
  _In_     FLOAT b,
  _In_     FLOAT t,
  _In_     FLOAT zn,
  _In_     FLOAT zf
)
{
	return OldD3DXMatrixOrthoOffCenterLH (pOut, l, r, b,t,zn,zf);
}
